Usually police require a warrant to secretly track your cell phone location, but they can avoid that step if it’s an emergency. This week, the American Civil Liberties Union acquired records from over 200 police departments across the nation–and found many that routinely track phones without warrants.

Host Jason Slotkin spoke with Allie Bohm, a policy advisor at the ACLU. She says that should be unconstitutional, based on a January Supreme Court ruling on GPS tracking.

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